enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Guillotine lock - Wikipedia

   en.wikipedia.org/wiki/Guillotine_lock

   The Weurt lock has an additional gate near the centre of the chamber. When only a few short boats want to go through the lock, they can use one half the chamber, saving water. Furthermore, when one of the gates is taken out of service for maintenance, the lock can still function at reduced capacity.

3. Lock (water navigation) - Wikipedia

   en.wikipedia.org/wiki/Lock_(water_navigation)

   A plan and side view of a generic, empty canal lock. A lock chamber separated from the rest of the canal by an upper pair and a lower pair of mitre gates.The gates in each pair close against each other at an 18° angle to approximate an arch against the water pressure on the "upstream" side of the gates when the water level on the "downstream" side is lower.

4. MOSE - Wikipedia

   en.wikipedia.org/wiki/MOSE

   The smallest gate is 18.5 by 20 by 3.6 metres (61 ft × 66 ft × 12 ft) (Lido–Treporti row) The largest gate is 29.5 by 20 by 4.5 metres (97 ft × 66 ft × 15 ft) (Malamocco row) One lock for large shipping at the Malamocco inlet enables port activities to continue when the gates are in operation

5. Locks on the Canal du Midi - Wikipedia

   en.wikipedia.org/wiki/Locks_on_the_Canal_du_Midi

   The lock gates were originally made of oak in the traditional mitre pattern with balance beams and each gate had a single large wooden sluice drawn up by a vertical screw. [1] The introduction of electric and hydraulic systems for both the lifting of the sluices and the opening of the gates has seen the removal of the balance beams and modern ...

6. Neptune's Staircase - Wikipedia

   en.wikipedia.org/wiki/Neptune's_Staircase

   It is the longest staircase lock in Britain, lifting boats 64 feet (20 m). [1] It consists of eight locks, each 180 feet (55 m) by 40 feet (12 m), and it takes boats about 90 minutes to pass through the system. [1] [2] [3] The current lock gates weigh 22 tons each, and require a team of at least three lock-keepers to operate the staircase.

7. Panama Canal locks - Wikipedia

   en.wikipedia.org/wiki/Panama_Canal_locks

   The gates at both ends of the upper chamber are doubled for safety. Miraflores locks Gate operating machine. The gates separating the chambers in each flight of locks must hold back a considerable weight of water, and must be both reliable and strong enough to withstand accidents, as the failure of a gate could unleash a flood of water downstream.